For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningSeat Adjustment
WARNING
You can lose control of the vehicle if you try to adjust a driver seat while
the vehicle is moving.
Adjust the driver seat only when the vehicle is not moving.
To adjust a manual seat:
1. Pull the handle at the front of the seat.
2. Slide the seat to the desired position and release ...
Headlamps, Front Turn Signal and Parking Lamps
1. Parking/Turn Signal Lamp
2. High-Beam Headlamp/ Low-Beam Headlamp and DRL
High-Beam Headlamp/ Low-Beam Headlamp and DRL
1. Open the hood
2. For the driver side bulb, remove the windshield washer bottle filler neck by
firmly pulling it straight up and out of the bottle.
3. Remove the co ...
Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this,
notify General Motors.
Call 1-800-222-1020, or write:
Chevrolet Motor Division
Chevrolet Customer Assistance
Center
P.O. Box 33170
Detroit, MI 48232-5170
In Canada, call 1-800-263-3777
(English) or 1-800-263-785 ...